﻿#region License
// with_a_parser_engine_that_is_custom.cs
// Copyright (c) 2013, Simon Williams
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are permitted provide
// d that the following conditions are met:
// 
// Redistributions of source code must retain the above copyright notice, this list of conditions and the
// following disclaimer.
// 
// Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
// the following disclaimer in the documentation and/or other materials provided with the distribution.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
// POSSIBILITY OF SUCH DAMAGE.
#endregion

using System.Collections.Generic;
using Fclp.Internals.Parsing;
using Fclp.Tests.FluentCommandLineParser.TestContext;
using Machine.Specifications;
using Moq;
using It = Machine.Specifications.It;

namespace Fclp.Tests.FluentCommandLineParser
{
	namespace when_executing_parse_operation
	{
		public class with_a_parser_engine_that_is_custom : FluentCommandLineParserTestContext
		{
			static string[] args;
			static ICommandLineParserEngine customEngine { get { return mockedEngine.Object; } }
			static Mock<ICommandLineParserEngine> mockedEngine;

			Establish context = () =>
									{
										sut = new Fclp.FluentCommandLineParser();
										mockedEngine = new Mock<ICommandLineParserEngine>();
										
										args = new string[0];

										mockedEngine
											.Setup(x => x.Parse(args, false))
											.Returns(Create<ParserEngineResult>())
											.Verifiable();
									};

			Because of = () =>
			{
				sut.ParserEngine = customEngine;
				sut.Parse(args);
			};

			It should_replace_the_old_engine = () => sut.ParserEngine.ShouldBeTheSameAs(customEngine);
            It should_be_used_to_parse_the_args = () => mockedEngine.Verify(x => x.Parse(args, false));
		}
	}
}
